USFS · Colorado

James Peak Wilderness

The James Peak Wilderness encompasses 14,000 acres on the east side of the Continental Divide in Boulder, Gilpin, and Clear Creek Counties of Colorado. The area is named after its most prominent peak...

Description from Wilderness Connect (wilderness.net), where the full text continues.

Official page at Wilderness Connect ↗
James Peak Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byU.S. Forest Service
StateColorado
Size17,109 acres (Wilderness Connect)
Designated2002, by Congress
Center point39.8551, -105.6867
Night skyVery dark ground, a faint glow at most (Black Marble reading 27)

Boundary map

1 outline

Boundary, simplified to about 0.005 degrees Federal campground Forest Service recreation site

The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.

Weather by month

NOAA climate normals →
Weather by month near James Peak Wilderness10°20°30°40°50°60°January: 1.94 inches of precipitation, 24.7 inches of snowFebruary: 1.43 inches of precipitation, 24.7 inches of snowMarch: 1.79 inches of precipitation, 19.4 inches of snowApril: 2.04 inches of precipitation, 18.6 inches of snowMay: 1.27 inches of precipitation, 3.0 inches of snowJune: 1.18 inches of precipitation, 0.4 inches of snowJuly: 1.90 inches of precipitation, 0.0 inches of snowAugust: 1.73 inches of precipitation, 0.0 inches of snowSeptember: 1.63 inches of precipitation, 1.2 inches of snowOctober: 1.62 inches of precipitation, 9.5 inches of snowNovember: 1.37 inches of precipitation, 16.2 inches of snowDecember: 1.68 inches of precipitation, 25.5 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 14.9°F averageFebruary: 18.2°F averageMarch: 26.7°F averageApril: 35.4°F averageMay: 44.5°F averageJune: 52.5°F averageJuly: 57.4°F averageAugust: 55.6°F averageSeptember: 48.6°F averageOctober: 38.3°F averageNovember: 25.3°F averageDecember: 15.0°F average0 in10 in20 in30 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Fraser, 9 miles from the center point at 8,560 feet, station USC00053116 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 20 inches a year. The dotted line is average snowfall, about 143 inches a year on the same inches scale. The station sits about 3,600 feet lower than the center point, so temperatures on the ground run cooler.

Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.

Where to camp

Campsite Atlas →

No federal campground sits inside the boundary. 13 are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

Show 3 more

1 more within ten miles is not listed here.

Trailheads and sites

Forest Service directory · 1

The Forest Service lists 1 recreation site inside this wilderness, among them 1 trailhead. Each links to its page on fs.usda.gov, which carries the season, fees and current status.

Distance is from the center point of the boundary, not from a road or town.

11 named Forest Service trails enter this wilderness, 34 miles in all. The 10 longest are listed here.

TrailMiles
Mount Flora6.1
Rollins Pass5
James Peak South4.7
South Boulder Creek4.5
Ute4.5
Mill Creek Ridge3.1
Forest Lakes2.8
James Peak Lake1.1
Arapaho Lakes0.9
Crater Lakes0.9

Lengths and allowed uses come from the Forest Service trail layer by way of Trailhead Atlas, refreshed September 18, 2026. Trails in plain text have no page there yet.

Explore

Nearby on the other atlases

National Park System units within 30 miles · Park Atlas
National Register listings within 15 miles · 35 in all · Register Atlas

Landmarks are listed first, then by distance from the boundary.

Reference

Questions people ask

How big is James Peak Wilderness?

17,109 acres.

Source: Wilderness Connect

Who manages James Peak Wilderness?

The U.S. Forest Service.

Source: Wilderness Connect

What state is James Peak Wilderness in?

Colorado.

Source: Wilderness Connect

When was James Peak Wilderness designated?

Congress designated it in 2002.

Source: Wilderness Connect

Can I camp at James Peak Wilderness?

No federal campground sits inside the boundary. The nearest is Mizpah Campground, 1.7 miles out. 13 in all are within ten miles. Camping inside a wilderness is usually allowed away from roads, with no facilities; the managing agency page has the permit rules.

Source: Where to camp

Where are the trailheads in James Peak Wilderness?

The Forest Service lists 1 recreation site here, including 1 trailhead. Each one links to its Forest Service page.

Source: Trailheads and sites

How do I get to James Peak Wilderness?

A point inside the boundary is at 39.855, -105.687. Rocky Mountain National Park is 29 miles away. The official page carries directions and the office address.

Source: Wilderness Connect

How dark is the night sky at James Peak Wilderness?

NASA’s Black Marble night-lights image reads 27 on a 0 to 255 scale at the center point, very dark ground, a faint glow at most.

Source: NASA Black Marble

Which national parks are near James Peak Wilderness?

Rocky Mountain National Park (29 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near James Peak Wilderness?

35 National Register listings within 15 miles, including Georgetown Schoolhouse and William's Stables.

Source: Register Atlas

Sources

  • Boundary, name, acreage, designation year, states and description: Wilderness Connect.
  • Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
  • Trailheads and sites: the Forest Service Recreation Opportunities layer, points inside the boundary.
  • Trails: the Trailhead Atlas open-data file of Forest Service trails, matched on the wilderness each trail enters.
  • Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
  • Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.